@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", 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transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.block{display:block}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}}:root{--ink:#17171c;--muted:#72727d;--line:#e5e3eb;--paper:#fff;--canvas:#f6f5f8;--accent:#6257e8;--accent-deep:#4d42cf;--accent-soft:#f0efff;--warm:#ff7657;--success:#21885b}*{box-sizing:border-box}html{background:var(--canvas);scroll-behavior:smooth}body{color:var(--ink);background:linear-gradient(90deg, #6257e808 1px, transparent 1px), linear-gradient(#6257e808 1px, transparent 1px), var(--canvas);background-size:32px 32px;margin:0;font-family:PingFang SC,Microsoft YaHei,Noto Sans CJK 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strong{letter-spacing:.02em;font-size:15px}.brand small{color:var(--muted);margin-top:2px;font-size:11px}.secure-note{color:var(--muted);align-items:center;gap:7px;font-size:13px;display:inline-flex}.secure-note i{width:20px;height:20px;color:var(--success);background:#eaf8f1;border-radius:50%;place-items:center;font-size:12px;font-style:normal;font-weight:800;display:grid}.format-note{color:var(--accent-deep);background:var(--accent-soft);border:1px solid #d8d4ee;border-radius:8px;padding:7px 10px;font-size:12px;font-weight:800}.mode-nav{border:1px solid var(--line);background:#ffffffd1;border-radius:12px;align-items:center;gap:3px;padding:4px;display:flex}.mode-nav a{color:var(--muted);white-space:nowrap;border-radius:8px;padding:8px 12px;font-size:12px;font-weight:800;text-decoration:none}.mode-nav a:hover{color:var(--ink);background:#f3f2f7}.mode-nav a.active{color:#fff;background:var(--ink)}.hero{grid-template-columns:1.25fr .75fr;align-items:end;gap:72px;width:min(1120px,100% - 40px);margin:30px auto 44px;display:grid}.compact-hero{margin-top:22px;margin-bottom:34px}.compact-hero h1{margin:8px 0 9px;font-size:clamp(36px,5vw,54px)}.compact-hero p{font-size:14px}.eyebrow{color:var(--accent);letter-spacing:.16em;font-size:12px;font-weight:800}.hero h1{letter-spacing:-.055em;max-width:720px;margin:12px 0 16px;font-size:clamp(40px,6vw,68px);line-height:1.06}.hero p{max-width:600px;color:var(--muted);margin:0;font-size:16px;line-height:1.75}.steps{grid-template-columns:repeat(3,1fr);gap:8px;display:grid;position:relative}.steps:before{content:"";background:var(--line);height:2px;position:absolute;top:15px;left:16%;right:16%}.step{z-index:1;text-align:center;color:#a09eaa;position:relative}.step span{border:2px solid var(--line);background:var(--canvas);border-radius:50%;place-items:center;width:31px;height:31px;margin:0 auto 8px;font-size:12px;font-weight:800;display:grid}.step b{font-size:12px}.step.active{color:var(--ink)}.step.active span{color:#fff;border-color:var(--accent);background:var(--accent)}.content-grid{grid-template-columns:minmax(0,1fr) 330px;align-items:start;gap:28px;width:min(1120px,100% - 40px);margin:0 auto;display:grid}.main-column,.side-column{min-width:0}.side-column{position:sticky;top:20px}.section-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.section-heading>div{align-items:center;gap:11px;display:flex}.section-index{color:var(--accent);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;font-weight:800}.section-heading h2{letter-spacing:-.02em;margin:0;font-size:18px}.count-label{color:var(--muted);font-size:13px}.upload-zone{width:100%;min-height:205px;color:var(--ink);cursor:pointer;background:#ffffffad;border:1.5px dashed #bbb6d6;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;padding:28px;transition:all 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p{color:var(--muted);margin:4px 0 0;font-size:11px;line-height:1.5}.compact-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.compact-label{margin-bottom:13px;display:block}.compact-label input,.compact-label select,.compact-label textarea{border:1px solid var(--line);width:100%;color:var(--ink);background:#fbfafc;border-radius:9px;outline:none}.compact-label input,.compact-label select{height:42px;padding:0 11px}.compact-label textarea{resize:vertical;padding:10px 11px;line-height:1.5}.compact-label input:focus,.compact-label select:focus,.compact-label textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.secondary-button,.primary-button{cursor:pointer;border:0;border-radius:10px;width:100%;min-height:44px;font-weight:800}.secondary-button{color:var(--accent-deep);background:var(--accent-soft)}.primary-button{color:#fff;background:var(--ink);box-shadow:0 7px 0 var(--accent)}.primary-button:active{box-shadow:0 4px 0 var(--accent);transform:translateY(3px)}.primary-button:disabled{opacity:.45;cursor:not-allowed}.summary-lines{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:18px 0;padding:14px 0}.summary-lines div{justify-content:space-between;font-size:13px;display:flex}.summary-lines div+div{margin-top:10px}.summary-lines span{color:var(--muted)}.privacy-copy{color:var(--muted);text-align:center;margin:14px 0 0;font-size:10px;line-height:1.5}.mobile-order-fields,.mobile-submit{display:none}.modal-backdrop{z-index:50;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#15131f9e;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.confirm-sheet{text-align:center;background:#fff;border-radius:20px;width:min(470px,100%);max-height:calc(100vh - 40px);padding:34px;position:relative;overflow:auto;box-shadow:0 30px 80px #0a081c40}.modal-close{width:34px;height:34px;color:var(--muted);cursor:pointer;background:#f2f1f5;border:0;border-radius:50%;font-size:22px;position:absolute;top:13px;right:15px}.confirm-icon{width:49px;height:49px;color:var(--success);background:#eaf8f1;border-radius:50%;place-items:center;margin:0 auto 14px;font-size:22px;font-weight:900;display:grid}.confirm-sheet h2{margin:0;font-size:24px}.confirm-sheet>p{color:var(--muted);margin:9px 0 22px;font-size:13px;line-height:1.65}.confirm-list{border-top:1px solid var(--line);margin-bottom:16px}.confirm-list div{border-bottom:1px solid var(--line);text-align:left;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;font-size:12px;display:flex}.confirm-list span{color:var(--muted)}.confirm-note{color:#695342;text-align:left;background:#fff3e9;border-radius:9px;margin:0 0 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13px}.proof-meta>div+div{border-left:1px solid var(--line)}.proof-meta span,.proof-meta strong{display:block}.proof-meta span{color:var(--muted);margin-bottom:3px;font-size:10px}.proof-meta strong{font-size:13px}.layout-sheet{background:#fbfbfc;border:1px solid #ccc8d9;min-height:395px;padding:42px 18px 18px;position:relative;overflow:hidden}.sheet-label{color:var(--muted);font-size:10px;font-weight:700;position:absolute;top:12px;left:16px}.layout-grid{grid-template-columns:repeat(5,1fr);gap:10px;display:grid}.layout-tile{border:1px solid #dedbe7;place-items:center;min-height:96px;padding:7px;display:grid;overflow:hidden}.layout-tile img{object-fit:contain;width:100%;height:88px}.layout-tile>span{color:#fff;background:var(--accent);border-radius:50%;place-items:center;width:38px;height:38px;font-weight:900;display:grid}.layout-more{color:#fff;background:#17171cd1;padding:5px 8px;font-size:9px;font-weight:800;position:absolute;bottom:10px;right:12px}.proof-specs{border-top:1px solid var(--line);margin-top:15px}.proof-specs>div{border-bottom:1px solid var(--line);grid-template-columns:70px 1fr auto;align-items:center;gap:12px;min-height:44px;padding:8px 2px;font-size:12px;display:grid}.proof-specs span{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.proof-specs b{color:var(--accent-deep)}.proof-note{color:#695342;background:#fff3e9;margin:14px 0 0;padding:10px 12px;font-size:12px}.proof-footnote{color:var(--muted);text-align:center;margin:14px 0 0;font-size:10px}.proof-actions{grid-template-columns:.8fr 1fr 1.2fr;gap:10px;margin-top:16px;display:grid}.plain-button{border:1px solid var(--line);min-height:44px;color:var(--ink);cursor:pointer;background:#fff;border-radius:10px;font-weight:800}.proof-actions .primary-button,.proof-actions .secondary-button{min-height:44px}.demo-disclaimer{color:var(--muted);text-align:center;margin-top:14px;font-size:10px;display:block}.proof-loading,.proof-uploading,.proof-error,.proof-success{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:440px;display:flex}.proof-loading h2,.proof-uploading h2,.proof-error h2,.proof-success h2{margin:16px 0 7px;font-size:24px}.proof-loading p,.proof-uploading p,.proof-error p,.proof-success p,.proof-success>div{color:var(--muted);margin:0;font-size:13px}.proof-uploading>strong{color:var(--accent-deep);margin-top:10px;font-size:14px}.upload-progress{background:#e6e3ef;border-radius:999px;width:min(420px,90%);height:12px;margin-top:28px;overflow:hidden}.upload-progress>span{border-radius:inherit;background:linear-gradient(90deg, var(--accent), #3d7bea);height:100%;transition:width .16s;display:block}.retry-actions{grid-template-columns:1fr 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